Gaiters: Exploring Skin Stretch Feedback on Legs for Enhancing Virtual Reality Experiences

Gaiters: Exploring Skin Stretch Feedback on Legs for Enhancing Virtual Reality Experiences
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绑腿:探索腿部皮肤拉伸反馈以增强虚拟现实体验

DOI:
10.1145/3313831.3376865
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发表时间:
2020
期刊:
Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
影响因子:
--
通讯作者:
Bing
Bing
中科院分区:
--
文献类型:
--
作者:
Chi Wang;Da;Shuo;Cheng;Yeu;Chu;Bing

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我们建议在用户腿部生成二维皮肤拉伸反馈。皮肤拉伸是有用的皮肤反馈,可诱导虚拟纹理和虚幻力的感知并提供方向提示。这种反馈已应用于头部、身体和上肢,以模拟虚拟现实 (VR) 中丰富的物理特性。然而,如何扩大皮肤拉伸反馈的益处并将其应用到下肢,仍有待探索。我们的前两项心理物理学研究检查了参与者可感知的皮肤拉伸距离和拉伸角度的最小变化。然后,我们设计并实现了 Gaiters,这是一对不接地的腿部佩戴设备,每个设备都能够在用户腿部皮肤上生成多个二维皮肤拉伸。通过 Gaiters,我们进行了一项探索性研究,以了解参与者将皮肤拉伸模式与各种下肢动作结合起来时的体验。结果表明,我们的原型可以创造丰富的触觉体验。最后,用户评估表明,参与者享受使用绑腿时的体验,并认为皮肤拉伸是腿部引人注目的触觉反馈。
We propose generating two-dimensional skin stretch feedback on the user's legs. Skin stretch is useful cutaneous feedback to induce the perception of virtual textures and illusory forces and to deliver directional cues. This feedback has been applied to the head, body, and upper limbs to simulate rich physical properties in virtual reality (VR). However, how to expand the benefit of skin stretch feedback and apply it to the lower limbs, remains to be explored. Our first two psychophysical studies examined the minimum changes in skin stretch distance and stretch angle that are perceivable by participants. We then designed and implemented Gaiters, a pair of ungrounded, leg-worn devices, each of which is able to generate multiple two-dimensional skin stretches on the skin of the user's leg. With Gaiters, we conducted an exploratory study to understand participants' experiences when coupling skin stretch patterns with various lower limb actions. The results indicate that rich haptic experiences can be created by our prototype. Finally, a user evaluation indicates that participants enjoyed the experiences when using Gaiters and considered skin stretch as compelling haptic feedback on the legs.
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